What is the meaning of Floored?

simple past and past participle of floor

Covered or furnished with a floor.

Struck down or leveled with the floor.

Hung near the base of a wall.

Of a pedal, pushed all the way down, especially to accelerate.

Silenced by a conclusive answer or retort.

Brought to the ground.

Set to a lower bound.

Finished; done for.

Amazed or greatly surprised.

Overpowered.

Source: wiktionary.org